QA/G-4HW provides guidance on applying the Data Quality Objectives (DQO) process to hazardous waste site investigations. The guidance presents a step-by-step description of the DQO process and its application to sampling designs for environmental remediation and waste management activities.

The Uniform Federal Policy for Implementing Environmental Quality Systems (UFP) outlines essential elements of a Quality System for management of environmental data collection and use and environmental technology programs. The policy was developed as a joint initiative between the U.S. Environmental Protection Agency (EPA), the Department of Defense (DoD), and the Department of Energy (DOE) to resolve data quality inconsistencies and/or deficiencies.

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Region 10 Quality Management Plan

This document defines and describes the Quality Management (QM), Quality Assurance (QA), and Quality Control (QC) policies and responsibilities required by Region 10, in concurrence with the Agency's mandated QM program.

QA/G-9D is a software package that implements the statistical methods described in QA/G-9. DataQUEST provides a quick and easy means for managers, analysts, or those unfamiliar with standard statistical packages to review data and verify assumptions on those data.

Final Version: EPA/600/R-96/085, December 1997

Note: this document is no longer available. For links to other free software for performing data quality assessments, see Quality Related Resources - Software. EPA has a SAS site license for EPA employees - for information, email: <quality@epa.gov>

This document contains Standard Operating Procedures used by EPA Region 4 for sample collection and other field activities. This document may be useful to others, as example Standard Operating Procedures for similar activities. Any organization that uses these Standard Operating Procedures assumes responsibility for their content and applicability to their specific situation.